TY JOUR TI SOCIAL-ECONOMIC SUSTAINABILITY OF RUSSIA'S DEVELOPMENT - MODERN STAGE KW sustainable development KW legal framework KW natural resources KW Federal districts KW environmental problems KW subjects of the Federation KW investment policy JO Russian Journal of Management AU Errera, L.M. AU Sedova, I.N. AU Troitskaia, N.G. PY 2018 IS 6 PB Publishing Center RIOR